ap1512a-50k5 Diodes, Inc., ap1512a-50k5 Datasheet - Page 8

• Manufacturer Part Number: ap1512a-50k5
• Description: 50khz, 2a/3a Pwm Buck Dc/dc Converter
• Manufacturer: Diodes, Inc.

Typical Application Circuit
(1) Adjustable Type Circuit
AP1512/A Rev. 4
100uF/100V
100uF/100V
A. V
B. V
Vin
Vin
in
in
C1
C1
= 10V~60V, V
= 10V~60V, V
1u
C2
C2
1u
ON/OFF
ON/OFF
out
out
= 5V; I
= 3.3V, I
1
5
1
5
out
Vin
SD
out
Vin
SD
= 0.3A~2A, I
AP1512/A
= 0.3A~2A, I
AP1512/A
GND
3
www.diodes.com
GND
3
OUTPUT
OUTPUT
50KHz, 2A/3A PWM BUCK DC/DC CONVERTER
FB
8 of 12
out
FB
out
2
4
below 0.3A DCM
below 0.3A DCM
2
4
1
B360/B
D1
B360/B
1
D1
47uH
L1
47uH
L1
2
R3
1K
2
R2
3K
1.2K
R3
R2
2K
C5
1n
AP1512/A
C5
1n
C7
0.1u
©
Diodes Incorporated
MAY 2008
C7
0.1u
C3
470uF/16V
Vout
C3
470uF/16V
Vout